Computer programs and software for use in providing threat prevention, analysis, detection, and response, including on a real-time basis, for computer systems, servers, computer networks, endpoints, and portable electronic devices; computer programs and software for use in providing visibility, management, and monitoring, including on a real-time basis, of computer systems, servers, computer networks, endpoints, and portable electronic devices; computer programs for use, including on a real-time basis, in tracking software, data files, and executable files in computer networks, endpoints, and portable electronic devices for use in identifying unauthorized, new or unknown software, data files, and executable files, and for blocking unauthorized software executions and data access; computer programs for use as an online search engine and as a downloadable utility program; computer programs for preventing viruses and unauthorized access to computer systems, computer networks, endpoints, and portable electronic devices; software for use, including on a real-time basis, in operational and security monitoring and alerting, cyber defense and cyber-security of computer systems, internet, networks, applications, electronic data and communications, endpoints, and portable electronic devices; intrusion detection software